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Make contrib/pg_trgm also support regex searches with GiST indexes.

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This wasn't addressed in the original patch, but it doesn't take very
much additional code to cover the case, so let's get it done.

Since pg_trgm 1.1 hasn't been released yet, I just changed the definition
of what's in it, rather than inventing a 1.2.
This commit is contained in:
Tom Lane
2013-04-10 13:30:14 -04:00
parent e543631f3c
commit 6f5b8beb64
10 changed files with 352 additions and 35 deletions
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4
doc/src/sgml/pgtrgm.sgml
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@ -216,8 +216,8 @@ SELECT * FROM test_trgm WHERE t LIKE '%foo%bar';
</para>
<para>
Beginning in <productname>PostgreSQL</> 9.3, <filename>pg_trgm</filename>
GIN indexes also support index searches for regular-expression matches
Beginning in <productname>PostgreSQL</> 9.3, these index types also support
index searches for regular-expression matches
(<literal>~</> and <literal>~*</> operators), for example
<programlisting>
SELECT * FROM test_trgm WHERE t ~ '(foo|bar)';